Zeigler, C. C. The Oklahoma Labor Unit (Oklahoma City, Okla.), Vol. 7, No. 27, Ed. 1 Saturday, December 26, 1914, newspaper, December 26, 1914; (https://gateway.okhistory.org/ark:/67531/metadc157231/m1/1/: accessed December 14, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .